RainbowCalc app icon

Apps Like RainbowCalc for iPhone and iPad

by Andre Silva★ 0.00 ratingsProductivityFreeData updated 2026-09-06

RainbowCalc screenshots

Ranked alternatives

Showing 81–100 of 1,000 ranked alternatives.

  1. Calculator # Converter app icon

    Calculator # Converter

    CAT VIET SOFTWARE DEVELOPMENT & MEDIA JSC

    Calculations made simpler than ever before.

    The app offers a scientific calculator with over 800 formulas. It includes currency and unit converters, date and time functions, and finance tools.

    ★ 4.370 ratingsUtilitiesFreeData updated 2026-09-25
  2. Calculi: Scientific Calculator app icon

    Calculi: Scientific Calculator

    Michael Natole, Jr.

    Calculate, edit, and track equations

    Perform calculations with a multi-line display that supports complex expressions and order of operations. Edit equations, save history, and switch between and basic modes. Share results via copy or email.

    ★ 4.4380 ratingsUtilitiesFreeData updated 2026-09-08
  3. Calculator XL app icon

    Calculator XL

    Gero Mazza

    Calculate, convert, and track expenses

    Perform basic and advanced calculations with large, illuminated buttons. Use the scientific for 30 functions. Convert units, calculate loans, and determine tips. Includes standard, scientific, unit converter, loan, and tip calculators.

    ★ 4.7151 ratingsProductivity$9.99Data updated 2026-09-08
  1. eCalculator - Enhanced Edition app icon

    eCalculator - Enhanced Edition

    Ratha Sou

    Calculate, edit, and save equations

    Perform basic and scientific calculations with equation display and history tracking. Switch between binary, octal, decimal, and hexadecimal modes. Calculate fractions directly. Use widget for quick computations.

    ★ 4.6138 ratingsUtilitiesFreeData updated 2026-09-06
  2. Calculator´ app icon

    Calculator´

    Oval Software Oy

    Calculate, edit, and share formulas

    Perform calculations with a customizable interface and live results. Define and share advanced functions. Use 3D Touch shortcuts and an expandable widget. Search history via Spotlight.

    ★ 4.6472 ratingsProductivityFreeData updated 2026-09-09
  3. MaxiCalc Free: Big Retro LCD Basic Desk Calculator app icon

    MaxiCalc Free: Big Retro LCD Basic Desk Calculator

    Fernando Sciessere

    A powerful calculator for all needs.

    The app offers two modes: portrait for basic calculations and landscape for scientific functions. Users can track entries with multiple tapes and use memory slots for complex calculations.

    ★ 4.7161 ratingsUtilitiesFreeData updated 2026-10-15
  4. Nightstand – Bedside Clock PRO app icon

    Nightstand – Bedside Clock PRO

    Gianluca Di Maggio

    Set your and glance at time

    Set alarms and timers with customizable sounds. Display current time and date. Adjust brightness and sleep mode. Sync with other devices for shared alarms.

    ★ 4.5125 ratingsUtilitiesFreeData updated 2026-09-12
  5. malc app icon

    malc

    Miho Kitajima

    Calculator with memory and editing.

    The app offers calculation history and equation editing for corrections. It supports multiple number formats and customizable layouts, with options for key sounds and result usage.

    ★ 0.00 ratingsUtilities$1.99Data updated 2026-10-21
  6. Kalkulilo (Calculator) app icon

    Kalkulilo (Calculator)

    Alexander Clauss

    Calculates with multiple modes and customizable settings

    The app provides multiple calculation modes for various mathematical tasks. The app includes customizable interfaces and widgets for convenient use across devices.

    ★ 4.529 ratingsProductivity$2.99Data updated 2026-09-09
  7. Ramadan Times app icon

    Ramadan Times

    Pakistan Data Management Services

    Daily Ramadan Iftar and Sehar alarm.

    The app provides a clock alarm for Iftar and Sehar times during Ramadan. It features an innovative interface showing remaining time, a monthly view of Ramadan timings, and alarm options set before Iftar/Sehar.

    ★ 4.81,196 ratingsLifestyleFreeData updated 2026-09-21
  8. CCal 11 Pro app icon

    CCal 11 Pro

    Catalystwo, LLC

    Sync calendars, manage events, track time

    Manage events with drag-and-drop editing to adjust dates and times. Sync with Google Calendar. Create and modify events directly on the calendar interface. View daily, weekly, or monthly schedules. Add reminders and set recurring events.

    ★ 4.786 ratingsProductivity$3.99Data updated 2026-09-08
  9. DayCalc - Note Calculator app icon

    DayCalc - Note Calculator

    良峰 侯

    Calculate, convert, and share results

    Offers a standard, scientific, and fractions with over 30 scientific operations. Users can add notes to calculation history and share entries.

    ★ 4.7126 ratingsUtilitiesFreeData updated 2026-09-08
  10. Notedrafts: Note Taking app icon

    Notedrafts: Note Taking

    Appycron Interactive e.K.

    Write on PDF, create notebooks, organize notes

    Write on PDFs, create notebooks with customizable templates, sketch notes on a large freeform canvas, and take notes on vertically extended pages. Organize content across different document types and layouts.

    ★ 4.8682 ratingsProductivityFreeData updated 2026-09-06
  11. Any Font for Safari - FontFlex app icon

    Any Font for Safari - FontFlex

    Sufiyan Yasa

    Customize fonts and adjust text size

    Adjust text size and spacing for better readability. Choose from accessible fonts like OpenDyslexic or Comic Sans. Customize line spacing and background color. Enable dark mode for reduced light sensitivity. Sync settings across devices.

    ★ 4.6208 ratingsUtilitiesFreeData updated 2026-09-06
  12. Basic Calculator Biz app icon

    Basic Calculator Biz

    Imple, Inc.

    Calculate and view formulas clearly

    Performs arithmetic operations including addition, subtraction, multiplication, and division. Displays full calculation formulas for error detection. Includes standard functions comparable to commercial calculators.

    ★ 5.05 ratingsUtilitiesFreeData updated 2026-09-12
  13. Calculator PanecalST app icon

    Calculator PanecalST

    Noriyasu Kutsuzawa

    Edit formulas, check calculations, reuse past entries

    Enter and edit mathematical formulas with real-time validation to prevent errors. Reuse past formulas to adjust values quickly. Navigate expressions using a cursor or arrow keys. Swipe to switch between calculation modes and view results instantly.

    ★ 4.895 ratingsUtilitiesFreeData updated 2026-09-08
  14. Color Notepad app icon

    Color Notepad

    Dmytro Vynokurov

    Note, , and organize ideas

    Take notes with a minimalist interface that minimizes distractions. Choose from 20+ colorful themes or enable random theme selection. Switch between light and dark mode. Organize notes into folders and add tags for easy categorization.

    ★ 4.5605 ratingsProductivityFreeData updated 2026-09-11

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.